摘要:水稻有粳稻和糯稻两个品种.纯种的粳稻与纯种的糯稻杂交.F1全为粳稻.粳稻中含有直链淀粉.遇碘呈蓝黑色,糯稻含支链淀粉.遇碘呈红褐色.现有一批纯种粳稻和糯稻品种.请你设计一个实验.来验证基因的分离规律. (说明:①可自由选取必需实验器材和药品,②应说明实验方法.实验步骤.预期现象.结果分析,③基因用M和m表示.) 所采用的实验方法: 实验步骤:1) , 2) , 3) . 预期现象: 结果分析:

网址:http://m.1010jiajiao.com/timu3_id_1979087[举报]

水稻有粳稻和糯稻两个品种,纯种的粳稻与纯种的糯稻杂交,F1全为粳稻。粳稻中含有直链淀粉,遇碘呈蓝黑色;糯稻含支链淀粉,遇碘呈红褐色。现有一批纯种粳稻和糯稻品种,请你设计一个实验,来验证基因的分离规律。
(说明:①可自由选取必需实验器材和药品;②应说明实验方法、实验步骤、预期现象、结果分析;③基因用M和m表示。)
所采用的实验方法:                                              
实验步骤:1)                                                  
2)                                                                
3)                                                                
预期现象:
                                                                    
                                                                   结果分析:                                                       
                                                                    
                                                                    

查看习题详情和答案>>

水稻有粳稻和糯稻两个品种,纯种的粳稻与纯种的糯稻杂交,F1全为粳稻。粳稻中含有直链淀粉,遇碘呈蓝黑色;糯稻含支链淀粉,遇碘呈红褐色。现有一批纯种粳稻和糯稻品种,请你设计一个实验,来验证基因的分离规律。

(说明:①可自由选取必需实验器材和药品;②应说明实验方法、实验步骤、预期现象、结果分析;③基因用M和m表示。)

所采用的实验方法:                                              

实验步骤:1)                                                  

2)                                                                

3)                                                                

预期现象:

                                                                     

                                                                    结果分析:                                                       

                                                                    

                                                                     

 

查看习题详情和答案>>

水稻有粳稻和糯稻两个品种,纯种的粳稻与纯种的糯稻杂交,F1全为粳稻。粳稻中含有直链淀粉,遇碘呈蓝黑色;糯稻含支链淀粉,遇碘呈红褐色。现有一批纯种粳稻和糯稻品种,请你设计一个实验,来验证基因的分离规律。

(说明:①可自由选取必需实验器材和药品;②应说明实验方法、实验步骤、预期现象、结果分析;③基因用M和m表示。)

所采用的实验方法:                                              

实验步骤:1)                                                  

2)                                                                 

3)                                                                

预期现象:

                                                                     

                                                                    结果分析:                                                       

                                                                    

                                                                     

查看习题详情和答案>>

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网